APA (7th ed.) Citation

Hora, B. (1981). The Oxford encyclopedia of trees of the world. Oxford University Press.

Chicago Style (17th ed.) Citation

Hora, Bayard. The Oxford Encyclopedia of Trees of the World. Oxford [Oxfordshire] ; New York: Oxford University Press, 1981.

MLA (9th ed.) Citation

Hora, Bayard. The Oxford Encyclopedia of Trees of the World. Oxford University Press, 1981.